Territory



(ModeL) J. W. MOOORKLE.

Tuyere.

No. 236,604. Patented Jan. 11,1881.

=*-:-P'i"'"---- L- WITNESSES INVENTOR-i ATTORNEYS.

M-PEIERS, PHOTO-LITNOGRAPHER, WASHINGTON. D c.

UNITED STATES ATENT FFICEO JOHN W. MCOORKLE, OF FREEPORT, WASHINGTON TERRITORY.

TUYERE.

SPECIFICATION forming part of Letters Patent No. 236,604, dated January 11, 1881.

Application filed August 10, 1880. (Model) To all whom it may concern Be it known that 1, JOHN W. MoOoRKLE, of Freeport, in Oowlitz county, \Vashington Territory, have invented an Improved Tuyere, of which the following is a specification.

The object of the invention is to so construct a tuyere that it will deliver a single straight blast or a blast from a number of points on its circumference radially to the center.

Figure 1 ot' the drawings is a horizontal section, and Fig. 2 a cross-section on line m 00 of Fig. 1.

B represents the circular casing, O the neck, and a the tapering blast-pipe. a is the straight bore, and d d the curved bores extending around to a stop,f, in line with the blast-pipe. 1) represents radial openings, preferably tapered, which lead from the circular parts 0 of the bores 01 to the interior. 9 is a valve in the median bore, and h h Valves in the bores on each side. m is a water-inlet orifice connecting with the bores a and d d, so as to cool the tuyere when desired.

By this construction a direct single blast is secured when the valve 9 is open and the passage a and side passages, c 6?, provided with the valves 9 h, the passage 9 connecting with the interior by radial openings 12, as shown and described.

2. The stop f, arranged to form a partition across the bore 0, opposite to the blast-pipe, as described, for the purpose specified.

3. The water-orifice m, connecting with the bores a dd, as and for the purpose specified.

JOHN WILLIAM MOCORKLE.

\Vitnesses H. H. HOLT,

H. B. CRUMMER. 

